<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="search">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="departments" @row-dblclick="getChou" highlight-current-row v-loading="listLoading"
              @selection-change="selsChange"
              style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="部门名称" width="120">
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="100">
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100" sortable>
        <!--scope 它能获取到当前行的数据 -->
        <template scope="scope">
          <span style="color: red" v-if="scope.row.state === 0">禁用</span>
          <span style="color: green" v-else-if="scope.row.state === 1">启用</span>
          <span style="color: #1415d4" v-else>未知</span>
        </template>
      </el-table-column>
      <el-table-column prop="manager.username" label="负责人" width="120">
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" min-width="180">
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-drawer
        title="当前部门所属员工"
        :visible.sync="table"
        direction="rtl"
        size="50%">
      <el-table border="true" :data="gridData">
        <el-table-column property="username" label="员工名字" width="100">
        </el-table-column>
        <el-table-column prop="email" label="邮箱" width="100">
        </el-table-column>
        <el-table-column prop="phone" label="手机号" width="100">
        </el-table-column>
        <el-table-column prop="salt" label="这是啥没看懂" width="100">
        </el-table-column>
        <el-table-column prop="password" label="密码" width="100">
        </el-table-column>
        <el-table-column prop="age" label="年龄" width="100">
        </el-table-column>
        <el-table-column prop="state" label="状态" width="100" sortable>
          <!--scope 它能获取到当前行的数据 -->
          <template scope="scope">
            <span style="color: red" v-if="scope.row.state === 0">禁用</span>
            <span style="color: green" v-else-if="scope.row.state === 1">启用</span>
            <span style="color: #1415d4" v-else>未知</span>
          </template>
        </el-table-column>
      </el-table>
    </el-drawer>
    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :page-size="pageSize"
                     :current-page="currentPage" :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑界面
      v-model ： 在elementui中 2.x版本是双向绑定 1.x版本是 弹窗是否弹出
    -->
    <el-dialog title="编辑或新增" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="姓名" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="0">启用</el-radio>
            <el-radio class="radio" :label="-1">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="负责人">
          <!--
          此组件会自动匹配前面id与后面id相对应的字段
          :label ：选中后的效果-->
          <!--          :value: 传到后端的字段-->
          <el-select v-model="editForm.managerId" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :label="item.username"
                :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="上级部门">
          <!--          <el-input v-model="editForm.parentId" auto-complete="off"></el-input>-->
          <!--
          :options：绑定的后端数据 就是我们后端返回的部门无限级数
           :value: 我们需要传到后端的字段
            :label ：选中后的效果
          -->
          <el-cascader
              v-model="editForm.parentId"
              :options="options"
              :props="{ checkStrictly: true,
                value:'id',
                label:'name'
              }"
              clearable></el-cascader>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>

  </section>
</template>

<script>
import util from '../../common/js/util'

export default {
  data() {
    return {
      table: false,
      gridData: [],
      filters: {
        keyword: ''
      },
      options: [],
      title: "",
      departments: [],
      totals: 0,
      currentPage: 1,
      pageSize: 5,
      listLoading: false,
      sels: [],//列表选中列

      editFormVisible: false,//编辑界面是否显示
      editLoading: false,
      editFormRules: {
        name: [
          {required: true, message: '请输入姓名', trigger: 'blur'}
        ],
        sn: [
          {required: true, message: '请输入编号', trigger: 'blur'}
        ]
      },
      //编辑界面数据
      editForm: {
        id: null,
        sn: '',
        name: '',
        state: 0,
        managerId: null,
        parentId: null
      },
      employees: []
    }
  },
  methods: {
    search() {
      this.currentPage = 1
      this.getDepartments()
    },
    getChou(row) {
      this.table = true;
      this.$http.get("/dept/drawer/" + row.id)
          .then(result => {
            this.gridData = result.data;
            console.log(this.gridData)
          })
          .catch(result => {

          })
    },
    getEmployees() {
      this.$http.get("/emp")
          .then(result => {
            this.employees = result.data;
          })
          .catch(result => {

          })
    },
    getDepartmentTree() {
      this.$http.get("/dept/findDeptTree")
          .then(result => {
            this.options = result.data
          }).catch(result => {

      })
    },
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getDepartments();
    },
    //获取部门列表
    getDepartments() {
      let para = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.filters.keyword
      };
      // 列表忙等
      this.listLoading = true;
      // 发送axios请求
      this.$http.post("/dept", para)
          .then(result => {
            console.log(result)
            // 关闭忙等
            this.listLoading = false
            // 赋值
            this.departments = result.data.rows
            this.totals = result.data.totals

          })
          .catch(result => {
            this.listLoading = false
            this.$message({
              message: '网络不通',
              type: 'error'
            });
          })
    },
    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        //NProgress.start();
        this.$http.delete("/dept/" + row.id)
            .then(result => {

              result = result.data
              if (result.success) {
                this.$message({
                  message: result.msg,
                  type: "success"

                })
                this.currentPage = 1
                this.getDepartments()
              } else {
                this.$message({
                  message: result.msg,
                  type: "fail"
                })
                this.currentPage = 1
                this.getDepartments()
              }
            })
      }).catch(() => {
        // 关闭忙等
        this.listLoading = false;
        // 定义错误
        this.$message({
          message: "系统繁忙，稍后再试",
          type: "error"
        })
      });
    },
    //显示编辑界面
    handleEdit: function (index, row) {
      this.title = '编辑';
      this.editFormVisible = true;
      this.editForm = Object.assign({}, row);

    },
    //显示新增界面
    handleAdd: function () {
      this.title = '新增';
      this.editFormVisible = true;
      this.editForm = {
        id: null,
        sn: '',
        name: '',
        state: 0,
      };
    },
    //编辑
    editSubmit: function () {
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.editLoading = true;
            //NProgress.start();
            let para = Object.assign({}, this.editForm);
            if (para.parentId && para.parentId instanceof Array) {
              para.parentId = para.parentId[para.parentId.length - 1]
            }
            // 1.发送Axios请求
            this.$http.put("/dept", para)
                .then(result => {
                  // 1.关闭提交按钮忙等
                  this.editLoading = false;
                  // 2.关闭弹出框
                  this.editFormVisible = false;
                  // 3.获取后端传递的AjaxResult对象
                  result = result.data;
                  // 4.判断删除是否成功
                  if (result.success) {
                    // 删除成功
                    // 1.给出成功提示
                    this.$message({
                      message: result.msg,
                      type: 'success'
                    });
                    // 2.修改页码为第一页
                    this.currentPage = 1;
                    // 3.调用函数刷新列表
                    this.getDepartments();
                  } else {
                    // 删除失败
                    // 删除成功
                    // 1.给出失败提示
                    this.$message({
                      message: result.msg,
                      type: 'fail'
                    });
                    // 2.修改页码为第一页
                    this.currentPage = 1;
                    // 3.调用函数刷新列表
                    this.getDepartments();
                  }
                })
                .catch(result => { // 接口调用失败
                  // 1.关闭忙等框
                  this.listLoading = false;
                  // 2.给出自定义失败提示！
                  this.$message({
                    message: '系统繁忙，请重试！',
                    type: 'error'
                  });
                })
          });
        }
      });
    },
    selsChange: function (sels) {
      this.sels = sels;
    },
    //批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.patch('/dept', ids)
            .then(result => {
              this.listLoading = false;
              if (result.data.success) {
                this.$message({
                  message: result.data.msg,
                  type: 'success'
                });
                // 这个东西 设不设置 看需求
                this.currentPage = 1
                this.getDepartments();
              } else {
                this.$message({
                  message: result.data.msg,
                  type: 'error'
                });
              }
            })
      })
    },
  },
  mounted() {
    this.getDepartments();
    this.getEmployees();
    this.getDepartmentTree();
  }
}

</script>

<style scoped>

</style>